Uses four different power sources: solar power, dynamo-electric power (manual winding), DC Back-up, normal type 2 "AA" batteries (not included). Solar radio wth advanced electronic circuit and built-in high fidelity loudspeaker. LED indicator lights up when radio station is captured. Including earphone (3.5mm) socket for earphone. Equippedd with nylon belt for easy carrying. Frequence range: 88-108 MHz (FM), 525-1650 KHz (AM), FCC approved. Plus a solar torch and warning light with a choice of clear and coloured lens. Use the clear lens cover for reading a map or searching something lost inside the car, garage, room or camp etc. where it's dark. Use the coloured lens cover for emergency warning signal effect. Change and replace the light cover at the back of the radio and slide to the flash light switch position. As a stand-by light for your home against a power failure. It combines the radio and torch together. It is very suitable for outdoor activities, e.g. camping, hiking, barbecuing.....etc. Your 72 hour kit won’t be complete without one.